probability distribution question

Oct 6th, 2015
Price: $5 USD

Question description

A survey found that 29% of phone users have no landline, only cellphones. Suppose we take a random sample of 12 phone users: What is the probability that 3 users only use cellphones? The probability that AT LEAST 5 users only use cellphones? Find the mean and standard deviation of the probability distribution of those who are cellphone only. 

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